# NTSB UNK64X1583: Piper PA23, N1239P, Denver, CO, May 3, 1964

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: May 3, 1964
- Place: Denver, CO · DENVER, CO
- Location: 39.7392° N, 104.9847° W: Placed by OpenAirDocs: center of Denver, CO, within about 7 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=39.7392&lon=-104.9847&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed, report September 16, 1964
- Report: Brief approved by the director
- NTSB case key (mKey): 183814
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=UNK64X1583
- Page: https://openairdocs.org/ntsb/UNK64X1583

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-1134   64/5/3    DENVER COLO         PIPER PA23          CR-  0  0  2  INSTRUCTIONAL             COMMERCIAL, FL.INSTR.,
        TIME - 0702                    N1239P              PX-  0  0  0  CHECK                     AGE 21, 680 TOTAL HOURS,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            5 IN TYPE, NOT INSTRUMENT
                                                                                                   RATED.
        NAME OF AIRPORT - STAPLETON FIELD
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           GEAR COLLAPSED                                           LANDING: ROLL
        PROBABLE CAUSE(S)
           AIRFRAME - LANDING GEAR: NOSEWHEEL ASSEMBLIES
           MISCELLANEOUS ACTS,CONDITIONS - MATERIAL FAILURE
        REMARKS- NOSE GEAR UPPER DRAG LINK FAILED
```

## Aircraft

- Registration: [N1239P](https://openairdocs.org/deregistered/N1239P-1974-05-07), registration cancelled 1974-05-07, S/N 23-260, built 1955 (OpenAirDocs)
- Reported make and model: PIPER PA23
- Registry model: [Piper PA-23-150](https://openairdocs.org/model/piper-pa-23-150) (registry code 7102303) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Stapleton Field

## Other investigations on N1239P (1)

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [NTSB FTW73FQG35](https://openairdocs.org/ntsb/FTW73FQG35), Mar 29, 1973: Piper PA-23 (N1239P), Dimmitt, TX, substantial damage

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

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